crawler

(noun) a person who tries to please someone in order to gain a personal advantage. Synonyms: sycophant, toady, lackey, ass-kisser.

(noun) a person who crawls or creeps along the ground. Synonyms: creeper.

(noun) terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers. Synonyms: earthworm, angleworm, fishworm, fishing worm, wiggler, nightwalker, nightcrawler, dew worm, red worm.